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the perimeter of an isosceles triangle is 55 cm one of the equal sides is 17 cm how long is the base?​

Sagot :

Xuimadeaidn

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21 cm

[tex]55 - (17 \times 2) = 21[/tex]

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#[tex]\large\sf\color{cyan}{CarryOnLearning}[/tex]

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Sasuhinaidn

Length of equal sides = 18cm

Let the length of the third side =x cm

                   Perimeter = sum of all sides

                     

                   ∴50=18+18+x

                       50=36+x

                       x=50−36

                          =14cm

Thus, the length of the third side is 14 cm